Skip to main content
Fig. 1 | Respiratory Research

Fig. 1

From: Peripheral microangiopathy in precapillary pulmonary hypertension: a nailfold video capillaroscopy prospective study

Fig. 1

Nailfold video-capillaroscopic features in our study population. a Healthy control; normal capillary density (10 loops/mm), hairpin-shaped capillaries with normal loop width. b Idiopathic pulmonary arterial hypertension (IPAH); moderately reduced capillary density (5 capillary loops/mm), avascular areas (asterisk) and irregularly enlarged capillaries (> 20 μm and < 50 μm, black arrows). c Persistent chronic thromboembolic pulmonary hypertension (CTEPH) post pulmonary endarterectomy; mildly reduced capillary density (7 capillary loops/mm), avascular area (asterisk), abnormal capillary shapes (yellow arrows) and irregularly enlarged capillaries (> 20 μm and < 50 μm, black arrow). Grid pattern represents area of 1mm2. Magnification × 200

Back to article page